<?php
    session_start(); 
    require '../db_connection.php';
    if (isset($_GET['type']) && $_GET['type'] == 'logout') {
        $_SESSION['a_user_id'] = 0;
        $_SESSION['username'] = '';
    }
    if ($_SERVER['REQUEST_METHOD'] == 'POST') {
        $username = $_POST["username"];
        $pwd      = md5($_POST["password"]); 
        $sql      = "select id,username,password from admins where username='$username' and password='$pwd' and role='gly';";
        $result   = mysqli_query($conn, $sql);
        $row      = mysqli_num_rows($result);
        if (!$row) {
            die("<script>alert('账号不存在或密码错误');history.back();</script>");
        } else {
            $info = $result->fetch_assoc();
            $_SESSION['a_user_id'] = $info['id'];
            $_SESSION['username']  = $info['username'];
            die("<script>location='index.php'</script>");
        }   
    }
?>
<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="renderer" content="webkit">
    <title>登录</title>  
    <link rel="stylesheet" href="/static/css/pintuer.css">
    <link rel="stylesheet" href="/static/css/admin.css">
    <script src="/static/js/jquery.js"></script>
    <script src="/static/js/pintuer.js"></script>  
</head>
<body>
<div class="bg"></div>
<div class="container">
    <div class="line bouncein">
        <div class="xs6 xm4 xs3-move xm4-move">
            <div style="height:150px;"></div>
            <div class="media media-y margin-big-bottom">           
            </div>         
            <form action="denglu.php" method="post">
            <div class="panel loginbox">
                <div class="text-center margin-big padding-big-top"><h1>贫困儿童后台管理员系统</h1></div>
                <div class="panel-body" style="padding:30px; padding-bottom:10px; padding-top:10px;">
                    <div class="form-group">
                        <div class="field field-icon-right">
                            <input type="text" class="input input-big" name="username" placeholder="登录账号" data-validate="required:请填写账号" />
                            <span class="icon icon-user margin-small"></span>
                        </div>
                    </div>
                    <div class="form-group">
                        <div class="field field-icon-right">
                            <input type="password" class="input input-big" name="password" placeholder="登录密码" data-validate="required:请填写密码" />
                            <span class="icon icon-key margin-small"></span>
                        </div>
                    </div>
                </div>
                <div style="padding:30px;" id="login-btn"><input type="submit" class="button button-block bg-main text-big input-big" value="登录"></div>
            </div>
            </form>          
        </div>
    </div>
</div>
</body>
</html>